VEVOR Thread Chaser Set: Your Reliable Repair Assistant.This thread chaser set is made of hard, heat-treated carbon steel with a black phosphate finish, offering a hardness of HRC45-55 for durability and corrosion resistance. It includes 7 thread chasers in various sizes, ideal for tasks like repairing spark plug and sensor threads. The square drive design allows easy use with a ratchet, improving efficiency and comfort in tight spaces. Comes with a dedicated storage case for organized portability, making it easy to tackle a wide range of repair jobs and boost work efficiency.
